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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index d46088d..bed8112 100644
--- a/configure.ac
+++ b/configure.ac
@@ -150,6 +150,7 @@ dnl Checks for header files.
AC_HEADER_STDC
dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_TYPEOF
dnl Checks for library functions.
AC_CHECK_FUNCS(getline getopt_long setenv setpgid setpgrp setsid)